
        #fondo { position: absolute;   
   	 left: 70px;       
  	 top: 190px;       
  	 z-index: 1;} 
     
   	#led1 { position: absolute; 
  	 left: 160px;       
   	 top: 200px;       
   	 z-index: 2;  } 
      
   	#led2 {  position: absolute;  
   	 left: 160px;        
   	 top: 350px;       
   	 z-index: 2;  } 
      
   	#led3 {  position: absolute;  
   	 left: 400px;        
   	 top: 200px;        
   	 z-index: 2;   }  
      
   	#led4 {  position: absolute;   
   	 left: 400px;         
   	 top: 350px;         
  	 z-index: 2;   } 
       
   	
        #pos { position: absolute;   
         left: 560px;        
         top: 200px;       
  	 z-index: 2;}       
          
    